Quarter	Percent, Seasonally Adjusted
2001-01-01	63.4012527001727
2001-04-01	63.2610602140478
2001-07-01	63.2694607366198
2001-10-01	63.2066468841474
2002-01-01	62.9334624728052
2002-04-01	62.8220332924934
2002-07-01	62.5391888619725
2002-10-01	62.5381976479110
2003-01-01	62.2600102535494
2003-04-01	62.3018435382541
2003-07-01	62.1493920576615
2003-10-01	61.8532592368318
2004-01-01	61.7263500902546
2004-04-01	61.4691510247214
2004-07-01	61.3236423946366
2004-10-01	61.3229898704794
2005-01-01	61.3670837546744
2005-04-01	62.1165493697723
2005-07-01	62.0989236618230
2005-10-01	62.4345105437094
2006-01-01	62.5675459392681
2006-04-01	62.7135751841755
2006-07-01	63.1062412026514
2006-10-01	63.3495810572011
2007-01-01	63.6078111772672
2007-04-01	63.6125301095164
2007-07-01	63.9937224064524
2007-10-01	64.0312930235662
2008-01-01	64.3791612101500
2008-04-01	64.3975364082333
2008-07-01	64.2165462259513
2008-10-01	63.5637719172554
2009-01-01	62.2292299647924
2009-04-01	61.5891793158019
2009-07-01	61.0261256108052
2009-10-01	61.1169541893056
2010-01-01	61.3072579261869
2010-04-01	61.7558268582656
2010-07-01	61.9620900582199
2010-10-01	62.2325911882980
2011-01-01	62.4972922625765
2011-04-01	62.5649350838513
2011-07-01	62.4843186901170
2011-10-01	62.3632343679459
2012-01-01	62.1711951090398
2012-04-01	62.2889942442002
2012-07-01	62.2322371878036
2012-10-01	62.3235245239276
2013-01-01	62.5070188980692
2013-04-01	62.4286179462224
2013-07-01	62.6706246696195
2013-10-01	62.6373143353952
2014-01-01	62.7529155926163
2014-04-01	62.9075622081242
2014-07-01	63.1672550493134
2014-10-01	63.1990978758997
2015-01-01	63.2431367516060
2015-04-01	63.1409429071988
2015-07-01	63.1753452423121
2015-10-01	63.3603884673809
2016-01-01	63.2238992470261
2016-04-01	63.5006399221062
2016-07-01	63.3296981843294
2016-10-01	63.6565718668366
2017-01-01	63.9198657141966
2017-04-01	64.2768419785706
2017-07-01	64.6103121214242
2017-10-01	64.6379936201613
2018-01-01	64.8705104842491
2018-04-01	64.7419910429984